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g100num [7]
3 years ago
15

2a) Solve using substitution.

Mathematics
1 answer:
user100 [1]3 years ago
8 0

Answer:

3

Step-by-step explanation:

2x+2 x 2= 10

2x + 4 = 10

-4 -4

2x= 6

divide them by 2 to get x by itself

x=3

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